Exemplo n.º 1
0
int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr)
{
  jp2_box_t *uuid_box = NULL;
  
  if (jp2_write_header(image, out) < 0)
		return -1;

  // write UUID if received, dima
  if ( (image->aux_buf.size > 0) && (image->aux_buf.buf != NULL) )
  {
    uuid_box = jp2_box_create( JP2_BOX_UUID );
    
    memcpy( uuid_box->data.uuid.uuid, msi_uuid2, sizeof(msi_uuid2) );
    uuid_box->data.uuid.data_len = image->aux_buf.size;
    uuid_box->data.uuid.data = (uint_fast8_t *)jas_malloc( image->aux_buf.size );
    memcpy( uuid_box->data.uuid.data, image->aux_buf.buf, image->aux_buf.size );
  
    if (uuid_box) {
		  if (jp2_box_put(uuid_box, out))
			  return -1;
    }
	}
  // write UUID if received, dima

	if (jp2_write_codestream(image, out, optstr) < 0)
		return -1;

	return 0;
}
Exemplo n.º 2
0
int jp2_encode_uuid(jas_image_t *image, jas_stream_t *out,
		    char *optstr, jp2_box_t *uuid)
{
	if (jp2_write_header(image, out) < 0)
		return -1;
	if (uuid) {
		if (jp2_box_put(uuid, out))
			return -1;
	}
	if (jp2_write_codestream(image, out, optstr) < 0)
		return -1;

	return 0;
}
Exemplo n.º 3
0
int jp2_write_codestream(jas_image_t *image, jas_stream_t *out, char *optstr)
{
	jp2_box_t *box;
	char buf[4096];
	uint_fast32_t overhead;

	/*
	 * Output the contiguous code stream box.
	 */

	if (!(box = jp2_box_create(JP2_BOX_JP2C))) {
		goto error;
	}
	box->len = 0;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/* Output the JPEG-2000 code stream. */

	overhead = jas_stream_getrwcount(out);
	sprintf(buf, "%s\n_jp2overhead=%lu\n", (optstr ? optstr : ""),
	  (unsigned long) overhead);

	if (jpc_encode(image, out, buf)) {
		goto error;
	}

	return 0;
	abort();

error:

	if (box) {
		jp2_box_destroy(box);
	}
	return -1;
}
Exemplo n.º 4
0
int jp2_write_header(jas_image_t *image, jas_stream_t *out)
{
	jp2_box_t *box;
	jp2_ftyp_t *ftyp;
	jp2_ihdr_t *ihdr;
	jas_stream_t *tmpstream;
	int allcmptssame;
	jp2_bpcc_t *bpcc;
	long len;
	uint_fast16_t cmptno;
	jp2_colr_t *colr;
	jp2_cdefchan_t *cdefchanent;
	jp2_cdef_t *cdef;
	int i;
	uint_fast32_t typeasoc;
jas_iccprof_t *iccprof;
jas_stream_t *iccstream;
int pos;
int needcdef;
int prec;
int sgnd;

	box = 0;
	tmpstream = 0;

	allcmptssame = 1;
	sgnd = jas_image_cmptsgnd(image, 0);
	prec = jas_image_cmptprec(image, 0);
	for (i = 1; i < jas_image_numcmpts(image); ++i) {
		if (jas_image_cmptsgnd(image, i) != sgnd ||
		  jas_image_cmptprec(image, i) != prec) {
			allcmptssame = 0;
			break;
		}
	}

	/* Output the signature box. */

	if (!(box = jp2_box_create(JP2_BOX_JP))) {
		goto error;
	}
	box->data.jp.magic = JP2_JP_MAGIC;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/* Output the file type box. */

	if (!(box = jp2_box_create(JP2_BOX_FTYP))) {
		goto error;
	}
	ftyp = &box->data.ftyp;
	ftyp->majver = JP2_FTYP_MAJVER;
	ftyp->minver = JP2_FTYP_MINVER;
	ftyp->numcompatcodes = 1;
	ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/*
	 * Generate the data portion of the JP2 header box.
	 * We cannot simply output the header for this box
	 * since we do not yet know the correct value for the length
	 * field.
	 */

	if (!(tmpstream = jas_stream_memopen(0, 0))) {
		goto error;
	}

	/* Generate image header box. */

	if (!(box = jp2_box_create(JP2_BOX_IHDR))) {
		goto error;
	}
	ihdr = &box->data.ihdr;
	ihdr->width = jas_image_width(image);
	ihdr->height = jas_image_height(image);
	ihdr->numcmpts = jas_image_numcmpts(image);
	ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0),
	  jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL;
	ihdr->comptype = JP2_IHDR_COMPTYPE;
	ihdr->csunk = 0;
	ihdr->ipr = 0;
	if (jp2_box_put(box, tmpstream)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/* Generate bits per component box. */

	if (!allcmptssame) {
		if (!(box = jp2_box_create(JP2_BOX_BPCC))) {
			goto error;
		}
		bpcc = &box->data.bpcc;
		bpcc->numcmpts = jas_image_numcmpts(image);
		if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts *
		  sizeof(uint_fast8_t)))) {
			goto error;
		}
		for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) {
			bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image,
			  cmptno), jas_image_cmptprec(image, cmptno));
		}
		if (jp2_box_put(box, tmpstream)) {
			goto error;
		}
		jp2_box_destroy(box);
		box = 0;
	}

	/* Generate color specification box. */

	if (!(box = jp2_box_create(JP2_BOX_COLR))) {
		goto error;
	}
	colr = &box->data.colr;
	switch (jas_image_clrspc(image)) {
	case JAS_CLRSPC_SRGB:
	case JAS_CLRSPC_SYCBCR:
	case JAS_CLRSPC_SGRAY:
		colr->method = JP2_COLR_ENUM;
		colr->csid = clrspctojp2(jas_image_clrspc(image));
		colr->pri = JP2_COLR_PRI;
		colr->approx = 0;
		break;
	default:
		colr->method = JP2_COLR_ICC;
		colr->pri = JP2_COLR_PRI;
		colr->approx = 0;
		iccprof = jas_iccprof_createfromcmprof(jas_image_cmprof(image));
		assert(iccprof);
		iccstream = jas_stream_memopen(0, 0);
		assert(iccstream);
		if (jas_iccprof_save(iccprof, iccstream))
			abort();
		if ((pos = jas_stream_tell(iccstream)) < 0)
			abort();
		colr->iccplen = pos;
		colr->iccp = jas_malloc(pos);
		assert(colr->iccp);
		jas_stream_rewind(iccstream);
		if (jas_stream_read(iccstream, colr->iccp, colr->iccplen) != colr->iccplen)
			abort();
		jas_stream_close(iccstream);
		jas_iccprof_destroy(iccprof);
		break;
	}
	if (jp2_box_put(box, tmpstream)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	needcdef = 1;
	switch (jas_clrspc_fam(jas_image_clrspc(image))) {
	case JAS_CLRSPC_FAM_RGB:
		if (jas_image_cmpttype(image, 0) ==
		  JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R) &&
		  jas_image_cmpttype(image, 1) ==
		  JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G) &&
		  jas_image_cmpttype(image, 2) ==
		  JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B))
			needcdef = 0;
		break;
	case JAS_CLRSPC_FAM_YCBCR:
		if (jas_image_cmpttype(image, 0) ==
		  JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y) &&
		  jas_image_cmpttype(image, 1) ==
		  JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB) &&
		  jas_image_cmpttype(image, 2) ==
		  JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR))
			needcdef = 0;
		break;
	case JAS_CLRSPC_FAM_GRAY:
		if (jas_image_cmpttype(image, 0) ==
		  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y))
			needcdef = 0;
		break;
	default:
		abort();
		break;
	}

	if (needcdef) {
		if (!(box = jp2_box_create(JP2_BOX_CDEF))) {
			goto error;
		}
		cdef = &box->data.cdef;
		cdef->numchans = jas_image_numcmpts(image);
		cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t));
		for (i = 0; i < jas_image_numcmpts(image); ++i) {
			cdefchanent = &cdef->ents[i];
			cdefchanent->channo = i;
			typeasoc = jp2_gettypeasoc(jas_image_clrspc(image), jas_image_cmpttype(image, i));
			cdefchanent->type = typeasoc >> 16;
			cdefchanent->assoc = typeasoc & 0x7fff;
		}
		if (jp2_box_put(box, tmpstream)) {
			goto error;
		}
		jp2_box_destroy(box);
		box = 0;
	}

	/* Determine the total length of the JP2 header box. */

	len = jas_stream_tell(tmpstream);
	jas_stream_rewind(tmpstream);

	/*
	 * Output the JP2 header box and all of the boxes which it contains.
	 */

	if (!(box = jp2_box_create(JP2_BOX_JP2H))) {
		goto error;
	}
	box->len = len + JP2_BOX_HDRLEN;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	if (jas_stream_copy(out, tmpstream, len)) {
		goto error;
	}

	jas_stream_close(tmpstream);
	tmpstream = 0;

	return 0;
	abort();

error:

	if (box) {
		jp2_box_destroy(box);
	}
	if (tmpstream) {
		jas_stream_close(tmpstream);
	}
	return -1;
}
Exemplo n.º 5
0
int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr)
{
	jp2_box_t *box;
	jp2_ftyp_t *ftyp;
	jp2_ihdr_t *ihdr;
	jas_stream_t *tmpstream;
	int allcmptssame;
	jp2_bpcc_t *bpcc;
	long len;
	uint_fast16_t cmptno;
	jp2_colr_t *colr;
	char buf[4096];
	uint_fast32_t overhead;
	jp2_cdefchan_t *cdefchanent;
	jp2_cdef_t *cdef;
	int i;
	uint_fast32_t typeasoc;

	box = 0;
	tmpstream = 0;

	/* Output the signature box. */

	if (!(box = jp2_box_create(JP2_BOX_JP))) {
		goto error;
	}
	box->data.jp.magic = JP2_JP_MAGIC;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/* Output the file type box. */

	if (!(box = jp2_box_create(JP2_BOX_FTYP))) {
		goto error;
	}
	ftyp = &box->data.ftyp;
	ftyp->majver = JP2_FTYP_MAJVER;
	ftyp->minver = JP2_FTYP_MINVER;
	ftyp->numcompatcodes = 1;
	ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/*
	 * Generate the data portion of the JP2 header box.
	 * We cannot simply output the header for this box
	 * since we do not yet know the correct value for the length
	 * field.
	 */

	if (!(tmpstream = jas_stream_memopen(0, 0))) {
		goto error;
	}

	/* Generate image header box. */

	if (!(box = jp2_box_create(JP2_BOX_IHDR))) {
		goto error;
	}
	ihdr = &box->data.ihdr;
	ihdr->width = jas_image_width(image);
	ihdr->height = jas_image_height(image);
	ihdr->numcmpts = jas_image_numcmpts(image);
	allcmptssame = 0;
	ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0),
	  jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL;
	ihdr->comptype = JP2_IHDR_COMPTYPE;
	ihdr->csunk = 0;
	ihdr->ipr = 0;
	if (jp2_box_put(box, tmpstream)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/* Generate bits per component box. */

	if (!allcmptssame) {
		if (!(box = jp2_box_create(JP2_BOX_BPCC))) {
			goto error;
		}
		bpcc = &box->data.bpcc;
		bpcc->numcmpts = jas_image_numcmpts(image);
		if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts *
		  sizeof(uint_fast8_t)))) {
			goto error;
		}
		for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) {
			bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image,
			  cmptno), jas_image_cmptprec(image, cmptno));
		}
		if (jp2_box_put(box, tmpstream)) {
			goto error;
		}
		jp2_box_destroy(box);
		box = 0;
	}

	/* Generate color specification box. */

	if (!(box = jp2_box_create(JP2_BOX_COLR))) {
		goto error;
	}
	colr = &box->data.colr;
	colr->method = JP2_COLR_ENUM;
	colr->pri = JP2_COLR_PRI;
	colr->approx = 0;
	colr->csid = (jas_image_colorspace(image) == JAS_IMAGE_CS_RGB) ? JP2_COLR_SRGB :
	  JP2_COLR_SGRAY;
	if (jp2_box_put(box, tmpstream)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	if (!(jas_image_colorspace(image) == JAS_IMAGE_CS_RGB &&
	  jas_image_numcmpts(image) == 3 &&
	  jas_image_getcmptbytype(image, 0) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_RGB_R) &&
	  jas_image_getcmptbytype(image, 1) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_RGB_G) &&
	  jas_image_getcmptbytype(image, 2) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_RGB_B)) &&
	  !(jas_image_colorspace(image) == JAS_IMAGE_CS_YCBCR &&
	  jas_image_numcmpts(image) != 3 &&
	  jas_image_getcmptbytype(image, 0) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_YCBCR_Y) &&
	  jas_image_getcmptbytype(image, 1) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_YCBCR_CB) &&
	  jas_image_getcmptbytype(image, 2) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_YCBCR_CR)) &&
	  !(jas_image_colorspace(image) == JAS_IMAGE_CS_GRAY &&
	  jas_image_numcmpts(image) == 1 &&
	  jas_image_getcmptbytype(image, 0) ==
	  JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y))) {

		if (!(box = jp2_box_create(JP2_BOX_CDEF))) {
			goto error;
		}
		cdef = &box->data.cdef;
		cdef->numchans = jas_image_numcmpts(image);
		cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t));
		for (i = 0; i < jas_image_numcmpts(image); ++i) {
			cdefchanent = &cdef->ents[i];
			cdefchanent->channo = i;
			typeasoc = jp2_gettypeasoc(jas_image_colorspace(image), jas_image_cmpttype(image, i));
			cdefchanent->type = typeasoc >> 16;
			cdefchanent->assoc = typeasoc & 0x7fff;
		}
		jp2_box_destroy(box);
		box = 0;
	}

	/* Determine the total length of the JP2 header box. */

	len = jas_stream_tell(tmpstream);
	jas_stream_rewind(tmpstream);

	/*
	 * Output the JP2 header box and all of the boxes which it contains.
	 */

	if (!(box = jp2_box_create(JP2_BOX_JP2H))) {
		goto error;
	}
	box->len = len + JP2_BOX_HDRLEN;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	if (jas_stream_copy(out, tmpstream, len)) {
		goto error;
	}

	jas_stream_close(tmpstream);
	tmpstream = 0;

	/*
	 * Output the contiguous code stream box.
	 */

	if (!(box = jp2_box_create(JP2_BOX_JP2C))) {
		goto error;
	}
	box->len = 0;
	if (jp2_box_put(box, out)) {
		goto error;
	}
	jp2_box_destroy(box);
	box = 0;

	/* Output the JPEG-2000 code stream. */

	overhead = jas_stream_getrwcount(out);
	sprintf(buf, "%s\n_jp2overhead=%lu\n", (optstr ? optstr : ""),
	  (unsigned long) overhead);

	if (jpc_encode(image, out, buf)) {
		goto error;
	}

	return 0;
	abort();

error:

	if (box) {
		jp2_box_destroy(box);
	}
	if (tmpstream) {
		jas_stream_close(tmpstream);
	}
	return -1;
}